aio_read template.

[Volker Lendecke]

On Wed, Jun 08, 2005 at 10:33:05AM -0400, David Collier-Brown wrote:
> 	A 256K per-file buffer might be reasonable, but a 512
> 	of 1024K buffer per file sounds excessive at first glance (:-))
> 	If I were building a dedicated server for storing streaming
> 	data, or if my stripe width was 1024K, that might well change.

Even if you could afford a meg of cache per file this would not help you very
much, because then the latency of the first read call filling the cache gets
way too large. You would have to satisfy the first read call directly and
trigger an async cache filling read call.

Volker
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